body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

#board {
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(10, 30px);
  border: 1px solid #ccc;
}

.cell {
  width: 30px;
  height: 30px;
  background-color: #ddd;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-weight: bold;
  font-size: 14px;
  user-select: none;
}

.cell:hover {
  background-color: #eee;
}

.mine {
  background-color: #f00;
  color: #fff;
}

#resetButton {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  background-color: #007bff;
  color: #fff;
}
